private void RedrawBuffer()
{
if (_bufferSurface != null)
{
_bufferSurface.Dispose();
}
_bufferSurface = new GDISurface(this.Width, this.Height, this, true);
using (Graphics gfx = Graphics.FromHdc(_bufferSurface.hDC))
{
//try
//{
_bufferSurface.FontTransparent = true;
if (this.BackgroundImage != null)
{
gfx.DrawImage(this.BackgroundImage, 0, 0, this.Width, this.Height);
}
else
{
_bufferSurface.Clear(this.BackColor);
}
int x = LabelMargin;
int y = LabelMargin;
for (int i = vScroll.Value; i < _Rows.Count; i++)
{
FormatLabelRow r = (FormatLabelRow)_Rows[i];
x = LabelMargin;
r.Visible = true;
r.Top = y;
if (r.RenderSeparator)
{
Color c1 = Color.FromArgb(120, 0, 0, 0);
Brush b1 = new SolidBrush(c1);
gfx.FillRectangle(b1, 0, y, this.Width, 1);
Color c2 = Color.FromArgb(120, 255, 255, 255);
Brush b2 = new SolidBrush(c2);
gfx.FillRectangle(b2, 0, y + 1, this.Width, 1);
b1.Dispose();
b2.Dispose();
//bbuff.DrawLine (this.ForeColor,new Point (0,y),new Point (this.Width,y));
}
foreach (FormatLabelWord w in r.Words)
{
int ypos = r.Height - w.Height + y;
if (w.Image != null)
{
gfx.DrawImage(w.Image, x, y);
//bbuff.FillRect (Color.Red ,x,ypos,w.Width ,w.Height);
}
else
{
GDIFont gf = null;
if (w.Element.Link != null)
{
Font f = null;
FontStyle fs = w.Element.Font.Style;
if (w.Element.Link == _ActiveElement)
{
if (_Link_UnderLine_Hover)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
else
{
if (_Link_UnderLine)
{
fs |= FontStyle.Underline;
}
f = new Font(w.Element.Font, fs);
}
gf = GetFont(f);
}
else
{
gf = GetFont(w.Element.Font);
}
_bufferSurface.Font = gf;
if (w.Element.Effect != TextEffect.None)
{
_bufferSurface.TextForeColor = w.Element.EffectColor;
if (w.Element.Effect == TextEffect.Outline)
{
for (int xx = -1; xx <= 1; xx++)
{
for (int yy = -1; yy <= 1; yy++)
{
_bufferSurface.DrawTabbedString(w.Text, x + xx, ypos + yy, 0, 0);
}
}
}
else if (w.Element.Effect != TextEffect.None)
{
_bufferSurface.DrawTabbedString(w.Text, x + 1, ypos + 1, 0, 0);
}
}
if (w.Element.Link != null)
{
if (w.Element.Link == _ActiveElement)
{
_bufferSurface.TextForeColor = Link_Color_Hover;
}
else
{
_bufferSurface.TextForeColor = Link_Color;
}
}
else
{
_bufferSurface.TextForeColor = w.Element.ForeColor;
}
_bufferSurface.TextBackColor = w.Element.BackColor;
_bufferSurface.DrawTabbedString(w.Text, x, ypos, 0, 0);
}
w.ScreenArea = new Rectangle(new Point(x, ypos), w.ScreenArea.Size);
//w.ScreenArea.Y = ypos;
x += w.Width;
}
y += r.Height + r.BottomPadd;
if (y > this.Height)
{
break;
}
}
//}
//catch (Exception x)
//{
// Console.WriteLine(x.Message);
//}
}
}
private void CreateRows()
{
if (_Elements != null)
{
int x = 0;
_Rows = new ArrayList();
//build rows---------------------------------------------
FormatLabelRow row = new FormatLabelRow();
_Rows.Add(row);
bool WhiteSpace = false;
foreach (FormatLabelElement Element in _Elements)
{
if (Element.words == null)
{
return;
}
if (Element.NewLine)
{
//tag forces a new line
x = 0;
row = new FormatLabelRow();
_Rows.Add(row);
WhiteSpace = true;
}
if (Element.TagName == "hr")
{
row.RenderSeparator = true;
}
//else
//{
foreach (FormatLabelWord word in Element.words)
{
if (WordWrap)
{
int scrollwdh = 0;
if (ScrollBars == ScrollBars.Both || ScrollBars == ScrollBars.Vertical)
{
scrollwdh = vScroll.Width;
}
if ((word.Width + x) > this.ClientWidth - LabelMargin - scrollwdh)
{
//new line due to wordwrap
x = 0;
row = new FormatLabelRow();
_Rows.Add(row);
WhiteSpace = true;
}
}
if (word.Text.Replace(" ", "") != "" || word.Image != null)
{
WhiteSpace = false;
}
if (!WhiteSpace)
{
row.Words.Add(word);
x += word.Width;
}
}
//}
}
//apply width and height to all rows
int index = 0;
foreach (FormatLabelRow r in this._Rows)
{
int width = 0;
int height = 0;
int padd = 0;
if (index > 0)
{
int previndex = index - 1;
FormatLabelRow prev = (FormatLabelRow)_Rows[previndex];
while (previndex >= 0 && prev.Words.Count == 0)
{
prev = (FormatLabelRow)_Rows[previndex];
previndex--;
}
if (previndex >= 0)
{
prev = (FormatLabelRow)_Rows[previndex];
if (prev.Words.Count > 0)
{
FormatLabelWord w = (FormatLabelWord)prev.Words[prev.Words.Count - 1];
height = w.Height;
}
}
}
foreach (FormatLabelWord w in r.Words)
{
if (w.Height > height && (w.Text != ""))
{
height = w.Height;
}
width += w.Width;
}
r.Height = height;
int MaxImageH = 0;
foreach (FormatLabelWord w in r.Words)
{
if (w.Image != null)
{
if (w.Height > height)
{
MaxImageH = w.Height;
}
}
}
foreach (FormatLabelWord w in r.Words)
{
int imgH = 0;
int imgPadd = 0;
if (w.Image != null)
{
string valign = GetAttrib("valign", w.Element.Tag);
switch (valign)
{
case "top":
{
imgH = r.Height;
imgPadd = w.Height - imgH;
break;
}
case "middle":
case "center":
{
int tmp = 0;
imgH = r.Height;
tmp = (w.Height - imgH) / 2;
imgH += tmp;
imgPadd = tmp;
break;
}
case "bottom":
{
imgH = w.Height;
imgPadd = 0;
break;
}
default:
{
imgH = w.Height;
imgPadd = 0;
break;
}
}
if (imgH > height)
{
height = imgH;
}
if (imgPadd > padd)
{
padd = imgPadd;
}
width += w.Width;
}
}
r.Width = width;
r.Height = height;
r.BottomPadd = padd;
index++;
}
this.vScroll.Maximum = this._Rows.Count;
}
}
private void CreateRows()
{
if (_Elements != null)
{
int x = 0;
_Rows = new ArrayList();
//build rows---------------------------------------------
FormatLabelRow row = new FormatLabelRow();
_Rows.Add(row);
bool WhiteSpace = false;
foreach (FormatLabelElement Element in _Elements)
{
if (Element.words == null)
return;
if (Element.NewLine)
{
//tag forces a new line
x = 0;
row = new FormatLabelRow();
_Rows.Add(row);
WhiteSpace = true;
}
if (Element.TagName == "hr")
{
row.RenderSeparator = true;
}
//else
//{
foreach (FormatLabelWord word in Element.words)
{
if (WordWrap)
{
int scrollwdh = 0;
if (ScrollBars == ScrollBars.Both || ScrollBars == ScrollBars.Vertical)
scrollwdh = vScroll.Width;
if ((word.Width + x) > this.ClientWidth - LabelMargin - scrollwdh)
{
//new line due to wordwrap
x = 0;
row = new FormatLabelRow();
_Rows.Add(row);
WhiteSpace = true;
}
}
if (word.Text.Replace(" ", "") != "" || word.Image != null)
WhiteSpace = false;
if (!WhiteSpace)
{
row.Words.Add(word);
x += word.Width;
}
}
//}
}
//apply width and height to all rows
int index = 0;
foreach (FormatLabelRow r in this._Rows)
{
int width = 0;
int height = 0;
int padd = 0;
if (index > 0)
{
int previndex = index - 1;
FormatLabelRow prev = (FormatLabelRow) _Rows[previndex];
while (previndex >= 0 && prev.Words.Count == 0)
{
prev = (FormatLabelRow) _Rows[previndex];
previndex--;
}
if (previndex >= 0)
{
prev = (FormatLabelRow) _Rows[previndex];
if (prev.Words.Count > 0)
{
FormatLabelWord w = (FormatLabelWord) prev.Words[prev.Words.Count - 1];
height = w.Height;
}
}
}
foreach (FormatLabelWord w in r.Words)
{
if (w.Height > height && (w.Text != ""))
height = w.Height;
width += w.Width;
}
r.Height = height;
int MaxImageH = 0;
foreach (FormatLabelWord w in r.Words)
{
if (w.Image != null)
{
if (w.Height > height)
MaxImageH = w.Height;
}
}
foreach (FormatLabelWord w in r.Words)
{
int imgH = 0;
int imgPadd = 0;
if (w.Image != null)
{
string valign = GetAttrib("valign", w.Element.Tag);
switch (valign)
{
case "top":
{
imgH = r.Height;
imgPadd = w.Height - imgH;
break;
}
case "middle":
case "center":
{
int tmp = 0;
imgH = r.Height;
tmp = (w.Height - imgH)/2;
imgH += tmp;
imgPadd = tmp;
break;
}
case "bottom":
{
imgH = w.Height;
imgPadd = 0;
break;
}
default:
{
imgH = w.Height;
imgPadd = 0;
break;
}
}
if (imgH > height)
height = imgH;
if (imgPadd > padd)
padd = imgPadd;
width += w.Width;
}
}
r.Width = width;
r.Height = height;
r.BottomPadd = padd;
index++;
}
this.vScroll.Maximum = this._Rows.Count;
}
}